llvm-project

Author	SHA1	Message	Date
Jakob Stoklund Olesen	f4c9754d5c	Fix Mips, Sparc, and XCore tests that were dependent on register allocation. Add an extra run with -regalloc=basic to keep them honest. llvm-svn: 128654	2011-03-31 18:42:43 +00:00
Richard Osborne	4780109254	Add dag combine to simplify lmul(x, 0, a, b) llvm-svn: 98258	2010-03-11 16:26:35 +00:00
Richard Osborne	1a396d53ed	Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediate results are unused elsewhere. llvm-svn: 98157	2010-03-10 16:19:31 +00:00
Richard Osborne	f57aea3d38	Prefer LMUL to MACCU as LMUL has no tied operands. llvm-svn: 98153	2010-03-10 13:27:10 +00:00
Richard Osborne	0012bc1e41	Custom lower (S\|U)MUL_LOHI -> MACC(S\|U) llvm-svn: 98152	2010-03-10 13:20:07 +00:00